Everyone knows noodles. That's not what you said. I guess what you want to say is white round fans, which look like rice noodles.

Vermicelli is a kind of traditional food, which is made of sweet potato and potato. , mainly made of sweet potato, and then processed by pulping and precipitation. All parts of China have their own unique production technology, and the original body is grayish white, yellow or yellowish brown, which can be divided into round vermicelli, fine vermicelli and wide vermicelli according to its shape. The taste is smooth and elastic. It can be made into delicious food with pork and chicken.

The round white powder bar is probably what it looks like in the picture: